{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to ensure the validity of a blockchain account?","a":"Consensus mechanism: The consensus mechanism in blockchain  networks (such as proof of work, proof of stake, etc.) ensures that network participants reach a consensus, maintaining the truth and effectiveness of the blockchain ledger."}]}],"pr":"a57a560d3e1854c93525edbc1d65cb37c8feb93b1f924d5aa0606d817a2ce2b7"}